chamberlain



l GATE.

Specicationof Letters Patent No. 26,477, datedDeeembeiZ,

To all whom it may concern:

Be it known that I, S. W. CHAMBERLAIN,

i of Three Oaks, in the county of Berrien and State of Michigan, have invented a new and Improved Gate; and I do hereby declare that the following is a full, clear, and exact description of the saine, reference being had to the annexed drawings, making a part of this specification, in which- Figure 1, represents a front elevation of my invention when the gate is closed; and Fig. 2, is a plan or top view of the same when the gate is open. i e

Similar letters of reference indicate corresponding parts in the two figures.

Among the large number of gates already in existence there is not one that gives entire satisfaction. As a general thing the slide gates if so arranged that they either open by a passing vehicle or by pulling a string from a distance require a complicated machinery which constantly bel comes deranged; and the large single swinging gates do very well in fair weather, but when a strong wind blows it takes several men to open them, and to operate such a gate during a stii breeze from a distance is wind on one of the gates is exactly counter-` balanced by that on the other and my gate operates equally well on a windy day as in fair weather. Furthermore both gates are secured together by a clasp that' is operated by the same cord which serves to open and close the gates, so that a spontaneous opening of the gate is precluded.

To enable those skilled in the art to make and use my invention I will proceed to describe it.

The two gates A, A, are attached to upright posts B, B, which turn on suitable pivots in the framing C. Secured to the upper part of these posts and on opposite sides of the same are the arms D which connect by y links E, with the doub e armed lever F.

This lever is pivoted to the under side of the upper connecting beam a, of the framing C, and it is furnished on its upper side with a groove b, which extends from one end ofthe that when left toitself it catches over `the different i s w cHMIBERLAIN,` OFTHR'EE oAKsMMiiIeAN l same to the other. e Small pulleys c, are arranged on the sidesof` said groove, `two on" each end of the lever F, as clearly showngin Fig. 2, and secured to the top ofthe beam` a, and at right angles to the same in the middle` W 01E its length is thecrossbeam-G, whichjs als) furnished with pulleys 1d, twoin each 1"? en. l The two gates A, A,are secured together `X by means of a clasp H, which is pivotenljl` to one of the gates A', in `such amanner end post of the other` gate A, `as .clearlyfgg.` shown in Fig. 1, andso thatwhen itsuppermfgo" end e, is pulled, the claspis raisedand thefn gates are allowedto separate.` cordjf, is@` tied to the end e, of the clasp and this cord" extends over a pulley g, `on the side of the` @f post B, and over al block t, thatis sus-` pended from the top beam @of the framing f H Q C. From thencethe cord branches off into` 4 parts it, h', h, hf, which run over` the.` pulleys c, onfthetop ofthe levenFfand@ from thence to the pulleys d, in theends of l )1,3 the cross beam G, as clearlyshownin Fig. 2. Their ends hang down to aboutsix feet from the ground "and wings 11,71', if', 71?, are i p p .1 attached to the same.` l e If it is now desired Ito10pen` the gate the, right hand ring 47, ispulled whereby` the@ clasp I-I, is raised andthe strainyis exerted" on the lever F, turning the same to aiposi-w ,e tion represented in Fig. 2." By this motion y of the lever the postsB`,`B,5 arelturned "on" their pivots and the gates swing open infop-` posite directions. When fullyopen thegate A', strikes a lip j, on a post I, and by relax!` 1f ing'the cord theclasp H,isallow"ed to "catch` e i over said post therebyretaining the gates95y until` the right hand ring ze',: on` the other;` end of the cross`beam.G,fis pulled.` By` this operation the clasp H; is raisedpfrom the post I, and the strainexertedontheflever ff 39 F, in the direction ofthe arrowmarkednear the cord It, in 2,fc`auses` the sameyto turn back to its original position `and the H gates are closed. By relaxing the` cord` as l soon as the gates are completely .`closed, thef` l clasp H, is allowed to catch over the endlQ5 post of the gate A, thereby fastening. the f two gates together so that the same j can not 'e be opened by cattle or by the `force ofthe .e 1f wind. e l i 2 `1 `l It is obvious that instead lof usingl the, `11,0 cords f, It, 71,', 71., t,any other convenient`` j; connection may be used and it will beno-` l F1 0 in any Weather With equal facility. S W CHAMBERLAIN ticed that in Whatever direction the Wind gates A, A, posts B, B ,v arms D, links E, 10 blows, its force on one of the gates is eX-V and levers F, in connection with the cords actly counterbalanced by the force on the f, k, h h and L, constructed and operother gate so that the gates can be operated ated substantially as set forth.

Having thus fully described my invention what I claim as new and desire to secure by Witnesses: Letters Patent7 is, THOMAS LOVE,

The arrangement and combination of the HENRY CHAMBERLAIN. 

